CVE-2026-6773

Denial-of-service due to integer overflow in the Graphics: WebGPU component

HIGH
7.5
CVSS Score
Published: April 21, 2026 at 12:41 PM UTC
Updated: October 26, 2026 at 12:10 AM UTC
2 products affected across 1 vendorFirefoxThunderbird

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Severity
HIGH7.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Denial-of-service due to integer overflow in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 150.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 150.0
Vendor states this is fixed in 150 (unaffected)
v < 150.0
Vendor states this is fixed in 150 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-190

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